Tools & Wizards About Us

Report Summary

  • 77

    Performance

    Renders faster than
    85% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

dzwignia.pl

Śruby, gwoździe, nity, wkręty, kotwy, podkładki, nakrętki, blachowkręty, kołki rozporowe. Gdańsk, woj. pomorskie. Zapraszamy po gwoździe, śruby i wkrę...

Page Load Speed

22.4 sec in total

First Response

333 ms

Resources Loaded

22 sec

Page Rendered

105 ms

About Website

Welcome to dzwignia.pl homepage info - get ready to check Dzwignia best content right away, or after learning these important things about dzwignia.pl

Artykuły metalowe Gdańsk. Sklep internetowy Dźwignia, woj. pomorskie. Sklep metalowy Dźwignia oferuje: artykuły metalowe, śruby, gwoździe, kotwy, kołki rozporowe, nakrętki, podkładki, blachowkręty, wk...

Visit dzwignia.pl

Key Findings

We analyzed Dzwignia.pl page load time and found that the first response time was 333 ms and then it took 22.1 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

dzwignia.pl performance score

77

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

43/100

25%

SI (Speed Index)

Value4.2 s

78/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.01

100/100

15%

TTI (Time to Interactive)

Value4.2 s

86/100

10%

Network Requests Diagram

dzwignia.pl

333 ms

dzwignia.pl

1286 ms

jquery-1.7.1.min.js

226 ms

jquery-ui-1.8.17.custom.css

323 ms

jquery-ui-1.8.17.custom.min.js

548 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 95% of them (63 requests) were addressed to the original Dzwignia.pl, 3% (2 requests) were made to Ssl.google-analytics.com and 2% (1 request) were made to Pixel.fasttony.es. The less responsive or slowest element that took the longest time to load (20.3 sec) relates to the external source Pixel.fasttony.es.

Page Optimization Overview & Recommendations

Page size can be reduced by 128.4 kB (44%)

Content Size

289.4 kB

After Optimization

161.0 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Dzwignia.pl main page is 289.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Images take 170.7 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 82.0 kB

  • Original 101.5 kB
  • After minification 99.8 kB
  • After compression 19.6 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 82.0 kB or 81% of the original size.

Image Optimization

-27%

Potential reduce by 46.4 kB

  • Original 170.7 kB
  • After minification 124.3 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, Dzwignia needs image optimization as it can save up to 46.4 kB or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 32 (51%)

Requests Now

63

After Optimization

31

  • Images
  • JavaScript
  • CSS

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dzwignia. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

dzwignia.pl accessibility score

65

Accessibility Issues

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

dzwignia.pl best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

dzwignia.pl SEO score

58

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    PL

  • Language Claimed

    PL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dzwignia.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and it matches the claimed language. Our system also found out that Dzwignia.pl main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph description is not detected on the main page of Dzwignia. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: